wip: courses

src/Form/Service/ParticipantFieldOptionsProvider.php

@@ -4,6 +4,8 @@ declare(strict_types=1);
 
 namespace App\Form\Service;
 
+use App\BusProNet\Constants;
+use App\BusProNet\Model\Service;
 use App\Form\Model\BookingCreateDto;
 use App\Form\Model\BookingDtoInterface;
 use App\Form\Service\Abstract\AbstractFieldOptionsProvider;
@@ -84,6 +86,23 @@ class ParticipantFieldOptionsProvider extends AbstractFieldOptionsProvider
                 : null,
         ];
 
+        // Courses field provider - provides available courses from travel data
+        $this->fieldOptionProviders['courses'] = fn (BookingDtoInterface $bookingDto) => [
+            'label' => 'Kurse',
+            'multiple' => true,
+            'expanded' => true,
+            'required' => false,
+            'choices' => array_reduce(
+                $bookingDto->travel->getAdditionalServicesByGroup(Constants::TOKEN_COURSES),
+                function (array $choices, Service $service) {
+                    $choices[$service->label] = $service->id;
+
+                    return $choices;
+                },
+                []
+            ),
+        ];
+
         // Future field providers would be added here, for example:
         //
         // $this->fieldOptionProviders['mealPreference'] = fn($bookingDto, $participantIndex) => [